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Eosiren

Mammalia - Sirenia - Dugongidae

Taxonomy
Eosiren was named by Andrews (1902) [Sepkoski's age data: T Eo-u Sepkoski's reference number: 1009].

It was synonymized subjectively with Eotheroides by Heal (1973).

It was assigned to Halitheriidae by Palmer (1904); to Halicoridae by Trouessart (1904) and Andrews (1906); to Sirenia by Zittel (1925); to Eotherioidinae by Kretzoi (1941); to Sirenia by Sepkoski (2002); to Halitheriinae by Abel (1919), Domning (1994), Domning et al. (1994), Domning (1996) and Bajpai et al. (2006); to Dugongidae by Clementz et al. (2006), Voss (2014), Berta (2017) and Voss and Hampe (2017); and to Halitheriinae by Domning (2018) and El-Kheir (2021).

Synonyms
Synonymy list
YearName and author
1902Eosiren Andrews p. 293
1904Eosiren Palmer p. 264
1904Eosiren Trouessart p. 749
1906Eosiren Andrews p. 197
1913Archaeosiren Abel p. 307
1919Eosiren Abel p. 834
1919Archaeosiren Abel p. 835
1925Eosiren Zittel p. 265
1941Archaeosiren Kretzoi p. 154
1941Eosiren Kretzoi p. 154
1994Eosiren Domning p. 189
1994Eosiren Domning et al.
1996Eosiren Domning p. 383
2002Eosiren Sepkoski
2006Eosiren Bajpai et al. p. 404
2006Eosiren Clementz et al. p. 359
2014Eosiren Voss p. 91 figs. Figure 3
2017Eosiren Berta p. 170
2017Eosiren Voss and Hampe
2018Eosiren Domning p. 857 figs. Fig. 1
2021Eosiren El-Kheir p. 33

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
RankNameAuthor
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
AfrotheriaStanhope et al. 1998
Tethytheria
orderSirenia()
familyDugongidae
subfamilyHalitheriinae()
genusEosiren

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Eosiren Andrews 1902
show all | hide all
Eosiren abeli Sickenberg 1934
Eosiren imenti Domning et al. 1994
Eosiren libyca Andrews 1902
Eosiren stromeri Abel 1913
Invalid names: Archaeosiren Abel 1913 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinef
Locomotion: actively mobilec
Life habit: aquaticf
Diet: herbivoref
Reproduction: viviparousf
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Nowak 1991, Domning 1978

Age range: base of the Lutetian to the top of the Early/Lower Oligocene or 47.80000 to 28.40000 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Lutetian47.8 - 41.3Egypt E. abeli (58456)
Lutetian47.8 - 41.3India (Kutch) E. sp. (45590)
Priabonian38.0 - 33.9Egypt (Fayum) E. libyca (140090 140092)
Priabonian38.0 - 33.9Egypt Archaeosiren stromeri (49924) E. libyca (47947 49919 79700 140119 140127 140128) E. stromeri (140120 140123 140124)
Priabonian38.0 - 33.9Western Sahara E. sp. (159107 159108 159109)
Late/Upper Eocene37.2 - 33.9Egypt E. sp. (40516)
Early/Lower Oligocene33.9 - 28.4Egypt E. sp. (187873 187874)
Rupelian33.9 - 28.1Egypt (Fayum) E. imenti (13101)